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<h1>FX::FXUndoList Class Reference</h1>The Undo List class manages a list of undoable commands.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="FXUndoList_8h-source.html">FXUndoList.h</a>></code>
<p>
<p>Inheritance diagram for FX::FXUndoList:
<p><center><img src="classFX_1_1FXUndoList.png" usemap="#FX::FXUndoList_map" border="0" alt=""></center>
<map name="FX::FXUndoList_map">
<area href="classFX_1_1FXCommandGroup.html" alt="FX::FXCommandGroup" shape="rect" coords="0,112,142,136">
<area href="classFX_1_1FXCommand.html" alt="FX::FXCommand" shape="rect" coords="0,56,142,80">
<area href="classFX_1_1FXObject.html" alt="FX::FXObject" shape="rect" coords="0,0,142,24">
</map>
<a href="classFX_1_1FXUndoList-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>enum </td><td class="memItemRight" valign=bottom>{ <br>
<b>ID_CLEAR</b> = FXWindow::ID_LAST,
<br>
<b>ID_REVERT</b>,
<br>
<b>ID_UNDO</b>,
<br>
<b>ID_REDO</b>,
<br>
<b>ID_UNDO_ALL</b>,
<br>
<b>ID_REDO_ALL</b>,
<br>
<b>ID_UNDO_COUNT</b>,
<br>
<b>ID_REDO_COUNT</b>,
<br>
<b>ID_LAST</b>
<br>
}</td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a0">FXUndoList</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a1">cut</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a2">add</a> (<a class="el" href="classFX_1_1FXCommand.html">FXCommand</a> *command, FXbool doit=FALSE)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a3">begin</a> (<a class="el" href="classFX_1_1FXCommandGroup.html">FXCommandGroup</a> *command)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a4">end</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a5">abort</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a6">undo</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a7">redo</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a8">undoAll</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a9">redoAll</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a10">revert</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXbool </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a11">canUndo</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXbool </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a12">canRedo</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXbool </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a13">canRevert</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXbool </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a14">busy</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="classFX_1_1FXCommand.html">FXCommand</a> * </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a15">current</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual <a class="el" href="classFX_1_1FXString.html">FXString</a> </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a16">undoName</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual <a class="el" href="classFX_1_1FXString.html">FXString</a> </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a17">redoName</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXint </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a18">undoCount</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXint </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a19">redoCount</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual FXuint </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a20">size</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a21">clear</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a22">trimCount</a> (FXint nc)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a23">trimSize</a> (FXuint sz)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a24">mark</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a25">unmark</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>FXbool </td><td class="memItemRight" valign=bottom><a class="el" href="classFX_1_1FXUndoList.html#a26">marked</a> () const</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
The Undo List class manages a list of undoable commands.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a0" doxytag="FX::FXUndoList::FXUndoList"></a><p>
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<td class="md" nowrap valign="top"> FX::FXUndoList::FXUndoList </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Make new empty undo list, initially unmarked.
<p>
</td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a name="a1" doxytag="FX::FXUndoList::cut"></a><p>
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<td class="md" nowrap valign="top"> void FX::FXUndoList::cut </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Cut the redo list.
<p>
This is automatically invoked when a new undo command is added. </td>
</tr>
</table>
<a name="a2" doxytag="FX::FXUndoList::add"></a><p>
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<td class="md" nowrap valign="top"> void FX::FXUndoList::add </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classFX_1_1FXCommand.html">FXCommand</a> * </td>
<td class="mdname" nowrap> <em>command</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>FXbool </td>
<td class="mdname" nowrap> <em>doit</em> = FALSE</td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Add new command, executing it if desired.
<p>
The new command will be appended after the last undo command. All redo commands will be deleted. </td>
</tr>
</table>
<a name="a3" doxytag="FX::FXUndoList::begin"></a><p>
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<td class="mdRow">
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<td class="md" nowrap valign="top"> void FX::FXUndoList::begin </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classFX_1_1FXCommandGroup.html">FXCommandGroup</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>command</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Begin undo command sub-group.
<p>
This begins a new group of commands that are treated as a single command. Must eventually be followed by a matching <a class="el" href="classFX_1_1FXUndoList.html#a4">end()</a> after recording the sub-commands. The new sub-group will be appended to its parent group's undo list when <a class="el" href="classFX_1_1FXUndoList.html#a4">end()</a> is called. </td>
</tr>
</table>
<a name="a4" doxytag="FX::FXUndoList::end"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void FX::FXUndoList::end </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
End undo command sub-group.
<p>
If the sub-group is still empty, it will be deleted; otherwise, the sub-group will be added as a new command into parent group. A matching <a class="el" href="classFX_1_1FXUndoList.html#a3">begin()</a> must have been called previously. </td>
</tr>
</table>
<a name="a5" doxytag="FX::FXUndoList::abort"></a><p>
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<td class="md" nowrap valign="top"> void FX::FXUndoList::abort </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Abort the current command sub-group being compiled.
<p>
All commands already added to the sub-groups undo list will be discarded. Intermediate command groups will be left intact. </td>
</tr>
</table>
<a name="a6" doxytag="FX::FXUndoList::undo"></a><p>
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<td class="md" nowrap valign="top"> virtual void FX::FXUndoList::undo </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Undo last command.
<p>
This will move the command to the redo list.
<p>
Reimplemented from <a class="el" href="classFX_1_1FXCommandGroup.html#a2">FX::FXCommandGroup</a>. </td>
</tr>
</table>
<a name="a7" doxytag="FX::FXUndoList::redo"></a><p>
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<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> virtual void FX::FXUndoList::redo </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Redo next command.
<p>
This will move the command back to the undo list.
<p>
Reimplemented from <a class="el" href="classFX_1_1FXCommandGroup.html#a3">FX::FXCommandGroup</a>. </td>
</tr>
</table>
<a name="a8" doxytag="FX::FXUndoList::undoAll"></a><p>
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<td class="md" nowrap valign="top"> void FX::FXUndoList::undoAll </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Undo all commands.
<p>
</td>
</tr>
</table>
<a name="a9" doxytag="FX::FXUndoList::redoAll"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void FX::FXUndoList::redoAll </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Redo all commands.
<p>
</td>
</tr>
</table>
<a name="a10" doxytag="FX::FXUndoList::revert"></a><p>
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<td class="md" nowrap valign="top"> void FX::FXUndoList::revert </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Revert to marked.
<p>
</td>
</tr>
</table>
<a name="a11" doxytag="FX::FXUndoList::canUndo"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top"> FXbool FX::FXUndoList::canUndo </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Can we undo more commands.
<p>
</td>
</tr>
</table>
<a name="a12" doxytag="FX::FXUndoList::canRedo"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top"> FXbool FX::FXUndoList::canRedo </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Can we redo more commands.
<p>
</td>
</tr>
</table>
<a name="a13" doxytag="FX::FXUndoList::canRevert"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> FXbool FX::FXUndoList::canRevert </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Can revert to marked.
<p>
</td>
</tr>
</table>
<a name="a14" doxytag="FX::FXUndoList::busy"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> FXbool FX::FXUndoList::busy </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Return TRUE if currently inside undo or redo operation; this is useful to avoid generating another undo command while inside an undo operation.
<p>
</td>
</tr>
</table>
<a name="a15" doxytag="FX::FXUndoList::current"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="el" href="classFX_1_1FXCommand.html">FXCommand</a>* FX::FXUndoList::current </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Current top level undo command.
<p>
</td>
</tr>
</table>
<a name="a16" doxytag="FX::FXUndoList::undoName"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> virtual <a class="el" href="classFX_1_1FXString.html">FXString</a> FX::FXUndoList::undoName </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
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</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Return name of the first undo command available; if no undo command available this will return the empty string.
<p>
<p>
Reimplemented from <a class="el" href="classFX_1_1FXCommand.html#a3">FX::FXCommand</a>. </td>
</tr>
</table>
<a name="a17" doxytag="FX::FXUndoList::redoName"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> virtual <a class="el" href="classFX_1_1FXString.html">FXString</a> FX::FXUndoList::redoName </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Return name of the first redo command available; if no Redo command available this will return the empty string.
<p>
<p>
Reimplemented from <a class="el" href="classFX_1_1FXCommand.html#a4">FX::FXCommand</a>. </td>
</tr>
</table>
<a name="a18" doxytag="FX::FXUndoList::undoCount"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> FXint FX::FXUndoList::undoCount </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
</tr>
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</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Number of undo records.
<p>
</td>
</tr>
</table>
<a name="a19" doxytag="FX::FXUndoList::redoCount"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> FXint FX::FXUndoList::redoCount </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Number of redo records.
<p>
</td>
</tr>
</table>
<a name="a20" doxytag="FX::FXUndoList::size"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> virtual FXuint FX::FXUndoList::size </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
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</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Size of undo information.
<p>
<p>
Reimplemented from <a class="el" href="classFX_1_1FXCommandGroup.html#a4">FX::FXCommandGroup</a>. </td>
</tr>
</table>
<a name="a21" doxytag="FX::FXUndoList::clear"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void FX::FXUndoList::clear </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Clear list, and unmark all states.
<p>
All undo and redo information will be destroyed. </td>
</tr>
</table>
<a name="a22" doxytag="FX::FXUndoList::trimCount"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void FX::FXUndoList::trimCount </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">FXint </td>
<td class="mdname1" valign="top" nowrap> <em>nc</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Trim undo list down to at most nc commands.
<p>
Call this periodically to prevent the undo-list from growing beyond a certain number of records. </td>
</tr>
</table>
<a name="a23" doxytag="FX::FXUndoList::trimSize"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void FX::FXUndoList::trimSize </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">FXuint </td>
<td class="mdname1" valign="top" nowrap> <em>sz</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Trim undo list down to at most size sz.
<p>
Call this periodically to prevent the undo-list from growing beyond a certain amount of memory. </td>
</tr>
</table>
<a name="a24" doxytag="FX::FXUndoList::mark"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void FX::FXUndoList::mark </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Mark the current state of the undo list, which is initially unmarked.
<p>
There can be only one active mark at any time. Call <a class="el" href="classFX_1_1FXUndoList.html#a24">mark()</a> at any time when you know the document to be "clean"; for example when you save the document to disk. </td>
</tr>
</table>
<a name="a25" doxytag="FX::FXUndoList::unmark"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void FX::FXUndoList::unmark </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Unmark all states in the undo list.
<p>
</td>
</tr>
</table>
<a name="a26" doxytag="FX::FXUndoList::marked"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> FXbool FX::FXUndoList::marked </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Check if the current state was marked, if the application has returned to the previously marked state.
<p>
</td>
</tr>
</table>
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